CVE-2026-32201

MediumActively exploited (CISA KEV)

Description

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Microsoft SharePoint Server

PublishedApr 14, 2026

First seenApr 14, 2026

Added to KEVApr 14, 2026

Weakness typeCWE-20Improper input validation

How to fix

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA due date: Apr 28, 2026

Update

microsoft sharepoint_server16.0.19725.20210 or later

Patches

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201

Affected products

Product	Affected versions	Fixed in
microsoft sharepoint_server	v < 16.0.19725.20210, 2016, 2019	16.0.19725.20210

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